《“笨方法”学python3》消除空行用end=""
1 def print_a_line_no_huanhang(line_count,f): 2 print(line_count, f.readline(),end="") 3 4 f3 = open("study.txt") 5 6 f3.seek(0) 7 8 line_count = 1 9 print_a_line_no_huanhang(line_count, f3) 10 line_count += 1 11 print_a_line_no_huanhang(line_count, f3)